<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8" />
		<title>DOM操作-练习</title>
		<style type="text/css">
			body {
				font-size: 13px;
				line-height: 25px;
			}
			
			table {
				border-top: 1px solid #333;
				border-left: 1px solid #333;
				width: 300px;
			}
			
			td {
				border-right: 1px solid #333;
				border-bottom: 1px solid #333;
			}
			
			.center {
				text-align: center;
			}
		</style>
		<script src="jquery-3.6.0.js"></script>
		<script>
			function updateRow() {////199000932刘澳琳
				$("#row1").css({"background-color":"#cccccc","font-weight":"bold","text-align":"center"});
			}
			function copyRow() {
				$("#myTable").append("<tr>"+$("tr:last").html()+"</tr>");
			}			
		</script>
	</head>
	<body>
		<table border="0" cellspacing="0" cellpadding="0" id="myTable">
			<tr id="row1">
				<td>书名</td>
				<td>价格</td>
			</tr>
			<tr id="row2">
				<td>看得见风景的房间</td>
				<td class="center">&yen;30.00</td>
			</tr>
			<tr id="row3">
				<td>60个瞬间</td>
				<td class="center">&yen;32.00</td>
			</tr>
		</table>
		<input name="b1" type="button" value="增加一行" id="b1"/>
		<input name="b2" type="button" value="删除第2行" id="b2" />
		<input name="b3" type="button" value="修改标题样式" onclick="updateRow()" />
		<input name="b4" type="button" value="复制最后一行" onclick="copyRow()" />
	</body>
	<script>
		$("#b1").click(function(){  //199000932刘澳琳
  			$("table").append("<tr id='row2'><td>我是新加的一行</td><td class='center'>&yen;18.5</td></tr>)");
		});
		$("#b2").click(function(){
			$("table tr")[2].remove();
		});
	</script>

</html>